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Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
What is candidate key? Candidate Key - A candidate key of an entity set is a minimal superkey, which uniquely identifies each row in the relation.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
explain concept of decomposition?
What is the max. no. Of structures that can be included in a table or structure. Nine.
Given the subsequent relations: vehicle (reg_no, make, colour) Person (eno, name, address) Owner (eno, reg_no) Write expressions
#question.what is mapping constraints and types?.
Question: (a) One of the steps in the five-step problem-solving model is implementation. Implementation is considered a key step in the problem-solving model. A problem may be
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
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